The QCD Adler function and the muon $g-2$ anomaly from renormalons

Abstract

We describe the Adler function in Quantum Chromodynamics using a transseries representation within a resurgent framework. The approach is based on a Borel-Ecalle resummation of the infrared renormalons combined with an effective running for the strong coupling. The new approach is flexible enough to give values in agreement with the current Adler function determinations. We then apply our finding to the muon's anomalous magnetic moment studying the possibility of saturating, solely in terms of the vacuum polarization function, the current discrepancy between the best Standard Model value for the muon's anomalous magnetic moment and the experimental value obtained by the most recent muon g-2 collaboration. The latter shows that the Adler function's new representation can also be consistent with recent lattice determinations.

arXiv commentUpdated and extended version to appear in Symmetry

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Cited by in corpus (3)

• Borel-Laplace Sum Rules with $\tau$ decay data, using OPE with improved anomalous dimensions
• Resurgent representation of the Adler function in the large-${\beta }_0$ approximation of QCD
• Gluon Mass Generation from Renormalons and Resurgence